Bitdeer SealMiner A2 (226Th/s)

The Bitdeer SealMiner A2 is a dependable air-cooled ASIC miner engineered exclusively for the SHA-256 algorithm, delivering robust and consistent processing power for Bitcoin (BTC) mining. Released in March 2025, this industrial-grade air-cooled solution harnesses advanced 4nm chip technology—featuring the proprietary SEAL02 chip—to achieve a solid hash rate of 226 Th/s while drawing 3730W of power, resulting in a reliable energy efficiency of 16.504 J/Th. As the foundation of the A2 series, the SealMiner A2 offers a proven and cost-effective entry point into professional Bitcoin mining, delivering stable performance and exceptional value for operators seeking to scale their SHA-256 operations with the simplicity, accessibility, and cost-effectiveness of traditional air-cooled deployment.

Engineered with Bitdeer's commitment to innovation and durability, the SealMiner A2 features a robust, space-optimized chassis designed for seamless integration into multi-tier rack configurations. The advanced thermal architecture, powered by four high-speed fans, ensures superior heat dissipation during continuous 24/7 operation, maintaining stable performance under sustained heavy loads with a consistent noise level of 75dB—a practical and expected output for an air-cooled machine delivering 226 terahash of sustained computational force.

What truly distinguishes the SealMiner A2 is its cutting-edge 4nm silicon architecture and the proprietary SEAL02 chip, which unlock exceptional performance density compared to previous-generation mining hardware. This advanced chip technology enables the A2 to deliver reliable hash rate output while maintaining moderate power consumption, translating directly to improved profit margins and reduced operational costs—critical advantages in competitive mining environments where every watt matters. As the base model of the A2 series, this miner offers a solid foundation for operators seeking proven performance and long-term reliability without the complexity or infrastructure demands of liquid cooling systems.

Designed for maximum deployment flexibility, the A2 operates on standard power infrastructure, enabling seamless integration into a wide range of facility types without the need for specialized electrical upgrades or complex cooling systems. This broad compatibility makes it an ideal choice for both established data centers and growing mining operations. Connectivity is facilitated through the standard Ethernet interface, providing low-latency communication and effortless integration with all major mining management platforms, ensuring complete control and real-time performance visibility. Built to thrive in demanding environments, the A2 maintains flawless performance across a temperature range of 5 to 40°C and supports relative humidity levels between 10% and 90%, offering exceptional operational flexibility across diverse global climates and facility conditions.

By choosing the Bitdeer SealMiner A2, you are securing a dependable, future-proof Bitcoin mining asset that delivers consistent profitability through proven efficiency, robust build quality, and advanced 4nm technology. Whether you are establishing a new mining operation, expanding an existing SHA-256 fleet, or seeking a reliable workhorse for enterprise-grade deployment, the A2 stands as a trusted foundation for operators who demand reliable performance, operational reliability, and optimized total cost of ownership in an air-cooled package.